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LM20145 数据表(PDF) 9 Page - Texas Instruments

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部件名 LM20145
功能描述  5A PowerWise Adjustable Frequency Synchronous Buck Regulator
Download  29 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LM20145 数据表(HTML) 9 Page - Texas Instruments

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background image
7.4A
+
-
COMP
CONTROL
LOGIC
CURRENT
LIMIT
OVERVOLTAGE
UNDERVOLTAGE
ERROR AMP
PWM COMPARATOR
SS/TRK
PGOOD
+
-
+2.7V
REGULATOR
PVIN
PVIN
THERMAL
PROTECTION
PGND
SW
AVIN
CURRENT SENSE
VCC
1.18V
UVLO
2.7V
AGND
OSCILLATOR
+
752 mV
864 mV
PG-L
PG-L
2.7V
5 PA
gm = 510 Pmho
800 mV
+
-
+
DISCHARGE
DISCHARGE
SLOPE COMP
DIODE
EMULATION
+
-
VREF
+
-
FB
EN
+
-
+
-
(50 Ps)
+
-
+
-
RT
PVIN
LM20145
www.ti.com
SNVS530E – OCTOBER 2007 – REVISED MARCH 2013
BLOCK DIAGRAM
Copyright © 2007–2013, Texas Instruments Incorporated
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Product Folder Links: LM20145


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